Modbus Tcp Data Exchange - Delta Electronics AH500 Operation Manual

Device
Complete writing data by using MODBUS
SM1901
connection 22 via COM2
Complete writing data by using MODBUS
SM1902
connection 23 via COM2
Complete writing data by using MODBUS
SM1903
connection 24 via COM2
Complete writing data by using MODBUS
SM1904
connection 25 via COM2
Complete writing data by using MODBUS
SM1905
connection 26 via COM2
Complete writing data by using MODBUS
SM1906
connection 27 via COM2
Complete writing data by using MODBUS
SM1907
connection 28 via COM2
Complete writing data by using MODBUS
SM1908
connection 29 via COM2
Complete writing data by using MODBUS
SM1909
connection 30 via COM2
Complete writing data by using MODBUS
SM1910
connection 31 via COM2
Complete writing data by using MODBUS
SM1911
connection 32 via COM2
11.3.2

MODBUS TCP Data Exchange

MODBUS TCP Data Exchange
11.3.2.1
Data exchange between electronic devices can be achieved via MODBUS TCP protocol. Through MODBUS
TCP protocol, users can exchange data among Delta devices and any 3
with the MODBUS TCP standard. A chart showing information concerning MODBUS TCP data exchange is
provided below.
Communication mode
Maximum number of
*1
connections
Communication protocol
Maximum quantity of data
which can be read/written
Supported devices
Name
MODBUS TCP
AHCPU500-EN & AHCPU501-EN
AHCPU510-EN & AHCPU511-EN
AHCPU520-EN & AHCPU521-EN
AHCPU530-EN & AHCPU531-EN
Standard MODBUS TCP/IP and AH communication protocol
AH500 series
CPU module
DVP series PLCs
Remote terminal unit
Others
AH500 series
Remote terminal unit
CPU module
C h a p t e r 11 C o n v e n i e n t F u n c t i o n s
R/W Description
COM2
ON: Complete writing data by
R using MODBUS connection 22 via
COM2
ON: Complete writing data by
R using MODBUS connection 23 via
COM2
ON: Complete writing data by
R using MODBUS connection 24 via
COM2
ON: Complete writing data by
R using MODBUS connection 25 via
COM2
ON: Complete writing data by
R using MODBUS connection 26 via
COM2
ON: Complete writing data by
R using MODBUS connection 27 via
COM2
ON: Complete writing data by
R using MODBUS connection 28 via
COM2
ON: Complete writing data by
R using MODBUS connection 29 via
COM2
ON: Complete writing data by
R using MODBUS connection 30 via
COM2
ON: Complete writing data by
R using MODBUS connection 31 via
COM2
ON: Complete writing data by
R using MODBUS connection 32 via
COM2
rd
party devices, as long as they comply
16
32
64
128
400 words
6400 bits
100 words
100 bits
100 words
100 bits
X, Y, M, SM, SR, D, T, C,
S, E
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